diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/pci/gr_rasta_adcdac.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/pci/gr_rasta_adcdac.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/pci/gr_rasta_adcdac.c b/c/src/lib/libbsp/sparc/shared/pci/gr_rasta_adcdac.c index f0716ab3c9..163ccfb98c 100644 --- a/c/src/lib/libbsp/sparc/shared/pci/gr_rasta_adcdac.c +++ b/c/src/lib/libbsp/sparc/shared/pci/gr_rasta_adcdac.c @@ -247,6 +247,12 @@ int gr_rasta_adcdac_hw_init1(struct gr_rasta_adcdac_priv *priv) pci_cfg_r32(priv->pcidev, PCI_COMMAND, &data); pci_cfg_w32(priv->pcidev, PCI_COMMAND, (data|PCI_COMMAND_PARITY)); + /* Setup cache line size. Default cache line size will result in + * poor performance (256 word fetches), 0xff will set it according + * to the max size of the PCI FIFO. + */ + pci_cfg_w8(priv->pcidev, PCI_CACHE_LINE_SIZE, 0xff); + /* Scan AMBA Plug&Play */ /* AMBA MAP bar0 (in CPU) ==> 0x80000000(remote amba address) */ |